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$650+ Cheap flights from Porto (OPO) to Las Vegas (LAS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
OPO — LAS
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap flight deals from Porto to Las Vegas

Discover tips and strategies to find the most affordable flight options for your journey from Porto (OPO) to Las Vegas (LAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 29, 2025.

Round-trip from

$650
(Rumbo)

Popular in

August

Cheapest in

February

Average price

$1,063
From Porto to Las Vegas Harry Reid Intl
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Highest demand for flights based on searches. 8% potential increase in price ($84 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Porto to Las Vegas

Cheapest flights from Porto to Las Vegas
Explore the most affordable flight options available from Porto to Las Vegas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Rumbo deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Rumbo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/221:30 pmOPO - LAS
1 stop29h 45mAir Transat
mié. 10/812:20 pmLAS - OPO
1 stop15h 35mAir Transat
Deal found 7/29$650
This Mytrip deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:25 amOPO - LAS
3 stops35h 06mMultiple Airlines
mié. 9/2412:11 pmLAS - OPO
2 stops25h 39mMultiple Airlines
Deal found 7/27$673
This Delta deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:30 amOPO - LAS
1 stop20h 05mDelta
mié. 10/81:57 pmLAS - OPO
2 stops17h 33mDelta
Deal found 7/29$771
This American Airlines deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1112:20 pmOPO - LAS
2 stops19h 25mAmerican Airlines
mié. 9/246:00 amLAS - OPO
2 stops17h 35mAmerican Airlines
Deal found 7/27$858
This United Airlines deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:00 amOPO - LAS
2 stops22h 24mUnited Airlines
mié. 10/86:00 amLAS - OPO
2 stops19h 45mUnited Airlines
Deal found 7/29$861
This Iberia deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1812:20 pmOPO - LAS
2 stops19h 25mIberia
vie. 10/33:38 pmLAS - OPO
2 stops20h 17mIberia
Deal found 7/27$875
This Air Canada deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1112:10 pmOPO - LAS
1 stop30h 27mAir Canada
mié. 9/247:00 amLAS - OPO
2 stops18h 20mAir Canada
Deal found 7/27$883
This SWISS deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/118:40 amOPO - LAS
1 stop15h 55mSWISS
jue. 9/187:05 pmLAS - OPO
1 stop32h 20mSWISS
Deal found 7/28$930
This Lufthansa deal was found by Cheapflights users on 7/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1812:35 pmOPO - LAS
2 stops20h 09mLufthansa
vie. 10/39:10 pmLAS - OPO
1 stop17h 35mLufthansa
Deal found 7/27$984
This KLM deal was found by Cheapflights users on 7/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 8/64:20 pmOPO - LAS
1 stop34h 15mKLM
mié. 8/138:25 pmLAS - OPO
1 stop30h 15mKLM
Deal found 7/29$1,272
This TAP AIR PORTUGAL deal was found by Cheapflights users on 7/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure TAP AIR PORTUGAL is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:05 pmOPO - LAS
1 stop34h 41mTAP AIR PORTUGAL
mié. 10/810:40 amLAS - OPO
1 stop16h 05mTAP AIR PORTUGAL
Deal found 7/28$1,492

Cheapflights Fare Finder

 
Customize your flight search to find flights from Porto to Las Vegas that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated julio 29, 2025.
Use the filters below to find and compare flights from Porto to Las Vegas that are best for you.

Fly from

Porto

Fly to

Las Vegas

Route

Depart

Return

Price

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

lun. 9/22

1:30 pm-11:15 am

1 stop29h 45m

Las Vegas Harry Reid Intl

mié. 10/8

12:20 pm-11:55 am

1 stop15h 35m

$650

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/11

6:25 am-9:31 am

3 stops35h 06m

Las Vegas Harry Reid Intl

mié. 9/24

12:11 pm-9:50 pm

2 stops25h 39m

$673

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

lun. 9/22

6:30 am-6:35 pm

1 stop20h 05m

Las Vegas Harry Reid Intl

mié. 10/8

1:57 pm-3:30 pm

2 stops17h 33m

$771

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/11

12:20 pm-11:45 pm

2 stops19h 25m

Las Vegas Harry Reid Intl

mié. 9/24

6:00 am-7:35 am

2 stops17h 35m

$858

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

lun. 9/22

6:00 am-8:24 pm

2 stops22h 24m

Las Vegas Harry Reid Intl

mié. 10/8

11:45 pm-9:45 am

1 stop26h 00m

$861

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/18

12:20 pm-11:45 pm

2 stops19h 25m

Las Vegas Harry Reid Intl

vie. 10/3

3:38 pm-7:55 pm

2 stops20h 17m

$875

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/11

12:10 pm-10:37 am

1 stop30h 27m

Las Vegas Harry Reid Intl

mié. 9/24

7:00 am-9:20 am

2 stops18h 20m

$883

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/11

8:40 am-4:35 pm

1 stop15h 55m

Las Vegas Harry Reid Intl

jue. 9/18

7:05 pm-11:25 am

1 stop32h 20m

$930

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

jue. 9/18

12:35 pm-12:44 am

2 stops20h 09m

Las Vegas Harry Reid Intl

vie. 10/3

9:10 pm-10:45 pm

1 stop17h 35m

$984

PortoLas Vegas

OPO - LAS

OPOLAS

Porto

mié. 8/6

4:20 pm-6:35 pm

1 stop34h 15m

Las Vegas Harry Reid Intl

mié. 8/13

8:25 pm-10:40 am

1 stop30h 15m

$1,272

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 11 results
1
2

Best time to book a flight from Porto to Las Vegas

Have a flexible travel schedule? Discover the best time to fly to Las Vegas from Porto with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Porto to Las Vegas

What is the cheapest month to book a flight from Porto to Las Vegas?

Currently, August is the cheapest month in which you can book a flight from Porto to Las Vegas (average of $198). Flying from Porto to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Las Vegas

Get insights into the airlines that provide service to Las Vegas. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Las Vegas. Reviews last updated julio 29, 2025.
Read reviews from past customers who have flown Delta, KLM, and Air Transat from Porto to Las Vegas. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Delta
8.0
Very good
7,977 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
KLM
7.8
Good
1,383 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
Air Transat
7.7
Good
424 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
SWISS
7.5
Good
1,683 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.
United Airlines
7.4
Good
8,899 reviews
Delta
8.0
Very good
7,977 reviews

Boarding

8.2

Overall

8.0

Entertainment

7.9

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Michael,Jul 2025

AMS - ATL

Overall it was great experience, with the exception of snack food. The food offered in two main meals was just fine but for the mid-flight snack, the only option was a large cookie, too sweet and high sugar content. Snacks at the back of the plane were also mainly sweets. There was one nice baked cheddar option but it quickly ran out.

Related info for your journey

Find useful and relevant information for your journey from Porto to Las Vegas. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Porto to Las Vegas round-trip?

    Cheapflights users have booked flights from Porto to Las Vegas round-trip from $650. Other airlines that can offer you cheap pricing are Delta, from $771, and American Airlines, from $858. Air Transat is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Porto to Las Vegas that include hotel bookings?

    Yes. In addition to deals on Porto to Las Vegas flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Porto to Las Vegas?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Porto to Las Vegas.

  • Can I find deals for business class flights from Porto to Las Vegas?

    Yes. Cheapflights offers flight deals from Porto to Las Vegas by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Porto to Las Vegas?

    Currently, August is the cheapest month in which you can book a flight from Porto to Las Vegas (average of $198). Flying from Porto to Las Vegas in March is currently the most expensive (average of $269). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Las Vegas?

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